Digital payments are part of daily life now. But when a UPI payment fails, and your money gets stuck, it becomes frustrating.

If your money is deducted after a failed UPI transaction and you don't receive a refund on time, there's no need to worry.

Abstract: A new type of analog error-correcting codes (Analog ECCs) has been proposed by Roth recently. The codes can correct errors of unlimited magnitudes even though the codeword is affected not ...